The characteristic of stress responses that refers to the rate at which the behavior occurs is a. intensity. b. duration. c. stress. d. frequency.

The correct answer is D. frequency

Intensity is how stressful the thing is while duration is how long it lasts. Stress is just what it is, and frequency is how often it repeats itself, that is, the rate at which it repeats. Every time it repeats it has its intensity and duration.

1.)dr. natterson- horowitz came to realize that their isn't much of a difference between animals and humans. just like humans, animals can suffer from illnesses and diseases like breast cancer, self injury, anxiety, and many more. she also discovered how they even treated and performed surgical procedures on animals just as if the animal it self were human. the los angeles zoo called dr. natterson- horowitz because they knew that she was a doctor and that  she would be able to recognize what was wrong with the gorilla. they knew that humans and gorillas were similar, so instead of calling another veterinarian, they called a doctor.

What happens to the influenza virus every 20-40 years and why?